21836330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128449}}^1$

素因数の和:128473

約数の個数: 16

約数和(自身を含む): 41617800

約数和(自身を除く): 19781470

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 128449, 256898, 642245, 1284490, 2183633, 4367266, 10918165, 21836330]

約数ペア:

[(1, 21836330), (2, 10918165), (5, 4367266), (10, 2183633), (17, 1284490), (34, 642245), (85, 256898), (170, 128449)]